505300000 has 144 divisors (see below), whose sum is σ = 1291417344. Its totient is φ = 194400000.

The previous prime is 505299989. The next prime is 505300007. The reversal of 505300000 is 3505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505300007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3099919 + ... + 3100081.

It is an arithmetic number, because the mean of its divisors is an integer number (8968176).

Almost surely, 2^505300000 is an apocalyptic number.

505300000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (645708672).

505300000 is an abundant number, since it is smaller than the sum of its proper divisors (786117344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505300000 is an equidigital number, since it uses as much as digits as its factorization.

505300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 13.

The square root of 505300000 is about 22478.8789756073. The cubic root of 505300000 is about 796.4950835424.

Adding to 505300000 its reverse (3505), we get a palindrome (505303505).

The spelling of 505300000 in words is "five hundred five million, three hundred thousand".